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authorRusty Russell <rusty@rustcorp.com.au>2007-07-26 10:41:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-26 11:35:17 -0700
commitf56a384e98aa81065038c4e16f39ed989ccae687 (patch)
tree923bcaabd76a88351fe5e61370143350747a90c4 /drivers/lguest/page_tables.c
parentf8f0fdcd40449d318f8dc30c1b361b0b7f54134a (diff)
lguest: documentation VII: FIXMEs
Documentation: The FIXMEs Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/lguest/page_tables.c')
-rw-r--r--drivers/lguest/page_tables.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index cd047e81cd6..b7a924ace68 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -15,6 +15,11 @@
#include <asm/tlbflush.h>
#include "lg.h"
+/*M:008 We hold reference to pages, which prevents them from being swapped.
+ * It'd be nice to have a callback in the "struct mm_struct" when Linux wants
+ * to swap out. If we had this, and a shrinker callback to trim PTE pages, we
+ * could probably consider launching Guests as non-root. :*/
+
/*H:300
* The Page Table Code
*